We introduce a relative version, ΞΌ , of the ΞΌ-invariant of Neumann and Siebenmann for graph 3manifolds, and use it to prove a surgery formula for the ΞΌ-invariant. We further identify ΞΌ with the linking number of certain Montesinos links, and relate it to the Floer homology in the special case of Sei
An invariant formula for orthogonal distributions
β Scribed by Patrick Coulton
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 264 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0232-704X
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β¦ Synopsis
We study integrable distributions on space forms. Let M be a Riemannian manifold with the natural SO (n + r) structure induced by the metric. Assume that a reduction to SO (n) x SO (r) structure gives a double foliation. We call the double foliation an integrable SO (n) x SO (r) distribution on M. We give a formula for space forms which is independent of the choice of integrable SO (n) x SO (r) distribution, and we include some applications.
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